✦ LIBER ✦
Ultrasonic radar guides the blind: Design and components in engineering, p. 33 (April 1963)
✍ Scribed by G. Manning
- Publisher
- Elsevier Science
- Year
- 1963
- Tongue
- English
- Weight
- 163 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0041-624X
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